To the original poster. When you make a new block there are a whole host of settings in the part called "visible options" that set where you want the block to appear. To have blocks only appear on the portal homepage only select the option in that area called "portal homepage"

To the original poster. When you make a new block there are a whole host of settings in the part called "visible options" that set where you want the block to appear. To have blocks only appear on the portal homepage only select the option in that area called "portal homepage"